Science

Monday, 15 December 2025
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Anorexia Nervosa
Treatment of anorexia nervosa includes three main areas.
Restoring the sufferer to a healthy weight Treating the mental disorders associated with the illness Reducing or eliminating the behaviors or thoughts that originally led to the eating disorder
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Nicotine
Research shows that nicotine (cigarette smoking) may protect against the early stages of Alzheimer's disease.
Under the influence of nicotine, patients become aroused, have better memory and greater motor skill ...
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Milky Way
A galactic year is the period during which the Sun orbits the center of the galaxy.
It lasts about 230 - 240 million years. The solar system moves around the center of the Milky Way at an average speed of 230 km/s (828,000 km/h).
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Silver
It is approximately 17 times more abundant in the Earth's crust than gold.
Silver is mined in Mexico, Peru, China, Australia, Chile, Poland, Russia, Bolivia, USA, Argentina, Canada, Kazakhstan, India, Turkey, Sweden, Guatemala, Morocco, Indonesia, Iran, and Papua New Guinea.
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Milky Way
In addition to the stellar halo, our galaxy is also surrounded by a halo made of hot gas, which is much more extensive than the stellar halo.
Its temperature is from 1 million to 2.5 million degrees Celsius and it extends for hundreds of thou ...
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Moon
The other side of the Moon is called the far side, not the "dark side" as some say, because each part of our satellite is darkened for exactly the same period.
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Earth
The largest tectonic plate is the Pacific one, covering an area of 103 million square kilometers.
Most of the plate is submerged under the ocean, the land area of the Pacific plate is only a part of ...
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Silver
Silver is also used in the production of electrical and electronic equipment, high-voltage contacts, solder, high-capacity silver-zinc and silver-cadmium batteries, and photovoltaic cells.
Silver is the only catalyst that allows the conversion of ethylene into ethylene oxide, which then undergoes hydrolysis to produce ethylene glycol, used to produce polyester.
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Silver
Silver has been used in photographic technology.
It is used there to obtain silver halides (primarily silver bromide) used as photosensitive substances.
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Cosmos
The smallest galaxy discovered so far is Segue 2, located adjacent to the Milky Way.
It is 114.000 light years away from us and is approaching at a speed of 40 km/s towards us. It is ma ...
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17 facts about Titan
17 facts about Titan
The largest of Saturn’s satellites
Titan is the only moon in the Solar System with such a dense atmosphere. It is the second largest moon in the Solar System after Ganymede (Jupiter III ...
18 facts about amber
18 facts about amber
Fossilized tree resin
Amber is one of the most interesting natural products. It looks like a gemstone, but it is a fossilized tree resin from ancient trees dating back mill ...
16 facts about liver
16 facts about liver
24/7 laboratory
The liver is one of the most essential human organs. It is extensively multitasking—it produces, filtrates, converts, and stores. It is thanks to the ...
29 facts about NASA
29 facts about NASA
For the Benefit of All
The Cold War, although a grim period in world history, brought an intense rivalry in a space race between the U.S., and the Soviet Union. As a result, ...
16 facts about Aurora
16 facts about Aurora
Northern light that has delighted people for centuries
Auroras can be different. Sometimes it is bright and dancing, shimmering with different colors, sometimes it appears still. It has always fascinated p ...
19 facts about Brain
19 facts about Brain
Organic supercomputer
The brain is one of the most important and most fascinating and complex organs in the human body. It is an incredibly plastic command center that over ...
16 facts about Phobos
16 facts about Phobos
The larger of two moons of Mars
We do not know the exact origin of this satellite. We know, however, that it is dangerously close to its planet and is in for a catastrophe. It is not ...
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